FR2621197B1 - Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint - Google Patents

Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint

Info

Publication number
FR2621197B1
FR2621197B1 FR8713315A FR8713315A FR2621197B1 FR 2621197 B1 FR2621197 B1 FR 2621197B1 FR 8713315 A FR8713315 A FR 8713315A FR 8713315 A FR8713315 A FR 8713315A FR 2621197 B1 FR2621197 B1 FR 2621197B1
Authority
FR
France
Prior art keywords
visual
communication terminal
lighting device
sound communication
supplemental lighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR8713315A
Other languages
English (en)
Other versions
FR2621197A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR8713315A priority Critical patent/FR2621197B1/fr
Priority to EP88402376A priority patent/EP0310477A1/fr
Priority to JP63240593A priority patent/JP2862133B2/ja
Publication of FR2621197A1 publication Critical patent/FR2621197A1/fr
Priority to US07/599,863 priority patent/US5142562A/en
Application granted granted Critical
Publication of FR2621197B1 publication Critical patent/FR2621197B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
FR8713315A 1987-09-25 1987-09-25 Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint Expired - Lifetime FR2621197B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8713315A FR2621197B1 (fr) 1987-09-25 1987-09-25 Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint
EP88402376A EP0310477A1 (fr) 1987-09-25 1988-09-21 Terminal de communication visuelle et sonore comportant un dispositif d'éclairage d'appoint
JP63240593A JP2862133B2 (ja) 1987-09-25 1988-09-26 補助照明装置付き視聴覚信用端末装置
US07/599,863 US5142562A (en) 1987-09-25 1990-10-19 Sound and vision communications terminal including an auxiliary lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713315A FR2621197B1 (fr) 1987-09-25 1987-09-25 Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint

Publications (2)

Publication Number Publication Date
FR2621197A1 FR2621197A1 (fr) 1989-03-31
FR2621197B1 true FR2621197B1 (fr) 1993-08-20

Family

ID=9355243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8713315A Expired - Lifetime FR2621197B1 (fr) 1987-09-25 1987-09-25 Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint

Country Status (3)

Country Link
EP (1) EP0310477A1 (fr)
JP (1) JP2862133B2 (fr)
FR (1) FR2621197B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1301384C (fr) * 1988-02-29 1992-05-19 Takeshi Ban Visiophone a ouverture variable
JPH0378386A (ja) * 1989-08-21 1991-04-03 Misawa Homes Co Ltd 昇降式モニター装置
JPH0411484A (ja) * 1990-04-27 1992-01-16 Nippon Philips Kk 画像表示／撮像装置
EP0836323B1 (fr) * 1991-02-20 2004-01-14 Hitachi, Ltd. Dispositif vidéophone
US5587735A (en) * 1991-07-24 1996-12-24 Hitachi, Ltd. Video telephone
AU645431B2 (en) * 1991-07-15 1994-01-13 Hitachi Limited Teleconference terminal equipment
EP0773686B1 (fr) * 1991-07-15 1999-11-10 Hitachi, Ltd. Equipement de téléconférence
DE4141382A1 (de) * 1991-12-16 1993-06-17 Albert Baur Drahtloses komforttelefon
GB9205580D0 (en) * 1992-03-13 1992-04-29 Marconi Gec Ltd Videophone
CA2172181C (fr) * 1995-04-11 2000-06-13 Kathleen L. Shipley Methode et dispositif permettant d'augmenter l'eclairage d'un dispositif de visioconference
JP4547640B2 (ja) * 1997-03-31 2010-09-22 東芝ライテック株式会社 カラーテレビドアホン装置
US6201562B1 (en) 1998-10-31 2001-03-13 Kar-Wing E. Lor Internet protocol video phone adapter for high bandwidth data access
CN108810423B (zh) * 2018-06-20 2020-07-31 北京优尔博特创新科技有限公司 一种基于图像亮度梯度的光照角度调节方法及系统
CA3098719C (fr) * 2019-07-24 2021-06-01 Sollum Technologies Inc. Procedes, systemes et ensembles pour compenser la repartition spectrale de l'eclairage avec une lumiere non visible

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR914843A (fr) * 1944-06-20 1900-01-01
US2909600A (en) * 1956-07-26 1959-10-20 Bell Telephone Labor Inc Two-way television over telephone lines
US3544715A (en) * 1967-07-25 1970-12-01 Bell Telephone Labor Inc Telephone-television substation apparatus
GB1298853A (en) * 1969-03-07 1972-12-06 Zanussi A Spa Industrie Apparatus for monitoring a remote scene in both sound and vision
JPS4711129U (fr) * 1971-02-24 1972-10-09
IT951745B (it) * 1972-01-17 1973-07-10 Sits Soc It Telecom Siemens Dispositivo per videotelefono
JPS49724A (fr) * 1972-04-20 1974-01-07
JPS4952409U (fr) * 1972-08-14 1974-05-09
JPS5014315U (fr) * 1973-06-06 1975-02-14
JPS573048A (en) * 1980-06-09 1982-01-08 Nippon Denso Co Ltd Rotation detector
US4485400A (en) * 1981-01-13 1984-11-27 Lemelson Jerome H Video telephone
DE3329493C1 (de) * 1983-08-16 1984-09-20 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Anordnung der Bildaufnahmeeinheit bei einem Bildfernsprecher
EP0231403B1 (fr) * 1985-08-01 1992-02-19 Antonio Biselli Système bidirectionnel de télécommunication audio-visuelle

Also Published As

Publication number Publication date
EP0310477A1 (fr) 1989-04-05
JPH01144864A (ja) 1989-06-07
JP2862133B2 (ja) 1999-02-24
FR2621197A1 (fr) 1989-03-31

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property